.checkBox .block{float:left; margin:5px;width:80px;line-height:23px;text-align:center; border:1px solid #ccc;position:relative;cursor:pointer;overflow:hidden;}
.checkBox .block .choice{position:absolute;right:0px;bottom:0px;display:none;}
.checkBox .block.on{border:1px solid #1E9FFF;}
.checkBox .block.on .choice{position:absolute;right:0px;bottom:0px;display:block;}
.checkBox .block.on .choice .triangle{position:absolute;right:0px;bottom:0px;border-bottom:18px solid #1E9FFF;border-left: 18px solid transparent;}
.checkBox .block.on .choice .right{position:absolute;right:5px;bottom:7px;width:10px;height:10px;}
.checkBox .block .del{width:18px; height:18px; background:#fff; border:0px solid #ccc; border-radius:3px; overflow:hidden; cursor:pointer; position:absolute; bottom:-20px; right:0px; transition: background .3s ease, border .2s ease, bottom .2s ease;display:block;}
.checkBox .block .del:hover{background:#FF5722; border:1px solid #FF5722;}
.checkBox .block:hover .del{bottom:0px;}
.checkBox .block.on .del{display:none}